Daharki is a city in Ghotki District in the Sindh province of Pakistan. It is the capital of Daharki Taluka, an administrative subdivision of the district with an area of 2,088 km2. It is situated about 100 km north-east of Sukkur, between Mirpur Mathelo and Ubauro on Pakistan's N-5 National Highway. According to the 2023 Census of Pakistan, it is the 25th largest city of Sindh, having a population of 335,145.